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Finding the Fourth Proportional to 510,790.34, 765,659.79 and 226,614.72

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Solution

The fourth proportional to 510,790.34, 765,659.79 and 226,614.72 is: 339,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,790.34 : 765,659.79 = 226,614.72 : x
  2. Step 2: Convert to fraction form
    510,790.34/765,659.79 = 226,614.72/x
  3. Step 3: Cross multiply
    510,790.34x = 765,659.79 × 226,614.72
  4. Step 4: Simplify right side
    510,790.34x = 173,509,777,578.50
  5. Step 5: Solve for x
    x = 173,509,777,578.50/510,790.34
  6. Step 6: Final answer
    x = 339,688.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.